package com.lyc.Diy;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;

//使用注解方式实现AOP
@Aspect//标注这个类是一个切面
public class AnnotationPointCut {
    @Before("execution(* com.lyc.service.UserServiceImpl.*(..))")
  public void before(){
      System.out.println("=========方法执行前==============");
  }
  @After("execution(* com.lyc.service.UserServiceImpl.*(..))")
  public void after(){
      System.out.println("=========方法执行后==============");
  }
  //在环绕增强中，我们可以给定一个参数，代表我们要获取处理切入的点
  @Around("execution(* com.lyc.service.UserServiceImpl.*(..))")
  public void around(ProceedingJoinPoint jp) throws Throwable {
        System.out.println(" 环绕前");
      Signature signature = jp.getSignature();
      System.out.println("signature:"+signature);
      Object proceed = jp.proceed();
      System.out.println("环绕后");
  }
}
